EPA Method 1657 Analytes

3,3',4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2-Nitrobiphenyl-d9,1000 µg/mL,toluene,1mL,

n-Valeraldehyde-PFBOA derivative, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no.